Methods and apparatus for packetization of content for transmission over a network

摘要

Methods and apparatus for packetization of content for transmission over a network. A method is provided that includes generating one or more content packets from the multimedia content, wherein the content packets are associated with a time reference, and adding a sync header to the one or more content packets to form one or more application layer packets, respectively, wherein the sync header comprises a time indicator that indicates time relative to the time reference. An apparatus includes encoding logic configured to generate one or more content packets from the multimedia content, wherein the content packets are associated with a time reference, and packetization logic configured to add a sync header to the one or more content packets to form one or more application layer packets, respectively, wherein the sync header comprises a time indicator that indicates time relative to the time reference.

主权项

1. A method comprising:
generating a plurality of content packets associated with multimedia content; adding a sync header to each content packet to form a plurality of corresponding sync packets, wherein each sync header includes a packet presentation time stamp; generating a plurality of blocks corresponding to the plurality of sync packets, wherein each block includes at least a portion of a sync packet of the plurality of sync packets and a framing header corresponding to the portion of the sync packet included in each block, wherein a first block of the plurality of blocks includes a first framing header and includes at least a portion of a first sync packet, and wherein the first framing header included in the first block indicates a length of the portion of the first sync packet and whether the portion of the first sync packet is a last portion of the first sync packet; and generating a superframe that includes the plurality of blocks, wherein a first actual presentation time is associated with the first sync packet, wherein a first packet presentation time stamp is added to a superframe time to determine the first actual presentation time, and wherein the superframe time is obtained from overhead information symbols of the superframe.